Management of Patients With Low-Grade Gliomas – A Survey Among German Neurosurgical Departments - Seiz, M.; Freyschlag, C. F.; Schenkel, S.; Weiss, C.; Thomé, C.; Schmieder, K.; Stummer, W.; Tuettenberg, J. (Central European Neurosurgery - Zentralblatt für Neurochirurgie, 2011)